/*
 * This code based on Silicon Graphics, Inc.'s redbook
 * http://www.opengl.org/resources/code/samples/redbook/
 */

/*
 * Copyright (C) 2008 aki@akjava.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * original code license
 * Copyright (c) 1993-1997, Silicon Graphics, Inc.
 * ALL RIGHTS RESERVED 
 * Permission to use, copy, modify, and distribute this software for 
 * any purpose and without fee is hereby granted, provided that the above
 * copyright notice appear in all copies and that both the copyright notice
 * and this permission notice appear in supporting documentation, and that 
 * the name of Silicon Graphics, Inc. not be used in advertising
 * or publicity pertaining to distribution of the software without specific,
 * written prior permission. 
 *
 * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
 * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
 * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
 * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
 * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
 * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
 * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
 * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
 * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
 * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
 * 
 * US Government Users Restricted Rights 
 * Use, duplication, or disclosure by the Government is subject to
 * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
 * (c)(1)(ii) of the Rights in Technical Data and Computer Software
 * clause at DFARS 252.227-7013 and/or in similar or successor
 * clauses in the FAR or the DOD or NASA FAR Supplement.
 * Unpublished-- rights reserved under the copyright laws of the
 * United States.  Contractor/manufacturer is Silicon Graphics,
 * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
 *
 * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
 */

package com.akjava.android.openglsamples.redbook;

import javax.microedition.khronos.egl.EGLConfig;
import javax.microedition.khronos.opengles.GL10;

import android.content.Context;
import android.opengl.GLU;

import com.akjava.android.openglsamples.GLUT;
import com.akjava.android.openglsamples.OpenGLUtils;

public class AargbRenderer extends RedBookSimpleRenderer {

    public AargbRenderer(Context context) {
       super(context);
    }


    public void setUpBuffers() {
        mFVertexBuffer = OpenGLUtils.allocateFloatBuffer(1000);
        mColorBuffer = OpenGLUtils.allocateFloatBuffer(1000);
        mIndexBuffer = OpenGLUtils.allocateShortBuffer(1000);
        
        
        OpenGLUtils.addVertex3f(mFVertexBuffer, -0.5f	,0.5f, 0);
        OpenGLUtils.addVertex3f(mFVertexBuffer, 0.5f	,-0.5f, 0);
        
        OpenGLUtils.addVertex3f(mFVertexBuffer, 0.5f	,0.5f, 0);
        OpenGLUtils.addVertex3f(mFVertexBuffer, -0.5f	,-0.5f, 0);

        
        mFVertexBuffer.position(0);
        mColorBuffer.position(0);
        mIndexBuffer.position(0);
    }
    
    

    public void onSurfaceChanged(GL10 gl, int w, int h) {
 	   gl.glViewport(0, 0, w, h);
	   gl.glMatrixMode(GL10.GL_PROJECTION);
	   gl.glLoadIdentity();
    	/*
	//somehow dont work on adp1 fw1.0
    	   if (w <= h) 
    	      GLU.gluOrtho2D (gl,-1.0f, 1.0f, 
    	         -1.0f*(float)h/(float)w, 1.0f*(float)h/(float)w);
    	   else 
    	      GLU.gluOrtho2D (gl,-1.0f*(float)w/(float)h, 
    	         1.0f*(float)w/(float)h, -1.0f, 1.0f);
        */
   	 
	     gl.glFrustumf (-1.0f, 1.0f, -1.0f, 1.0f, 5f, 20.0f);
	   
  	     gl.glMatrixMode(GL10.GL_MODELVIEW);
	     gl.glLoadIdentity();
    }


    public void onDrawFrame(GL10 gl) {
    	 //someway need 
    	

    	 gl.glMatrixMode(GL10.GL_MODELVIEW);
         gl.glLoadIdentity();
         GLU.gluLookAt(gl, 0, 0, 5f, 0f, 0f, 0f, 0f, 1.0f, 0.0f);
    	
         
         
         
    	gl.glClear(GL10.GL_COLOR_BUFFER_BIT);
    	
    	gl.glEnableClientState(GL10.GL_VERTEX_ARRAY);
        gl.glVertexPointer(3, GL10.GL_FLOAT, 0, mFVertexBuffer);

        gl.glPushMatrix();
        gl.glColor4f(0, 1f, 0, 1f);
        gl.glRotatef(rightLeftValue, 0, 0, 0.1f);
        gl.glDrawArrays(GL10.GL_LINES, 0, 2);
        gl.glPopMatrix();
        
        
        gl.glPushMatrix();
        gl.glColor4f(0, 0, 1f, 1f);
        gl.glRotatef(-rightLeftValue, 0, 0, 0.1f);
        gl.glDrawArrays(GL10.GL_LINES, 2, 2);
        gl.glPopMatrix();
   
		
    }



	


	@Override
	public void onSurfaceCreated(GL10 gl, EGLConfig config) {setUpBuffers();
	
	   gl.glEnable (GL10.GL_LINE_SMOOTH);
 	  gl.glEnable (GL10.GL_BLEND);
 	  gl.glBlendFunc (GL10.GL_SRC_ALPHA,GL10. GL_ONE_MINUS_SRC_ALPHA);
 	  // gl.glBlendFunc (GL10.GL_SRC_ALPHA,GL10. GL_ONE);
 	   gl.glHint (GL10.GL_LINE_SMOOTH_HINT, GL10.GL_DONT_CARE);
 	   gl.glLineWidth (1.5f);
 	   
 	  gl.glClearColor(.0f, .0f, .0f, 0f);
 	 gl.glClearColor (0.1f, 0.0f, 0.0f, 0.0f); 	 

 	 
	 	 
 	 
	}


	
}


